The latest news, according to China Petroleum network news, "clean, environmental protection, cost reduction, efficiency," a lot." In July 13th, the good news came Daqing drilling engineering company, the company of Drilling Engineering Technology Research Institute of independent research and development of high performance water-based drilling fluid quality "has completed 75 wells special wells, horizontal wells technical service task, in order to meet the demand of clean, compared with oil based drilling fluid to reduce the cost of 50% above.
In 2013, researchers aimed at cutting-edge water based drilling technology, and began to develop high-performance water-based drilling fluid instead of oil-based drilling fluid. On 2015 New Year's day, after the implementation of the new environmental protection law, the original oil-based drilling fluid was challenged. For a time, as an important substitute for stable oil production in Daqing oilfield, dense oil horizontal wells are facing technical tests. However, whether the water based drilling fluid meets the requirements of environmental protection meets the requirements of production, and has become the focus of the industry.
Since then, researchers in Daqing Drilling Research Institute on research based on the previous reserve technology, after hundreds of experiments, preferably thousands of data, independent efficient synthesis of shale inhibitor performance indicators with the international advanced level equivalent "". On this basis, researchers proposed the innovation path, polyol, poly amine compound and inorganic salt inhibitor use ideas, using three different mechanisms of mud shale and enhance the water-based drilling fluid inhibition, sealing and lubrication, the comprehensive performance index can be comparable with the oil base drilling fluid.
In September 26, 2015, the high performance water base drilling fluid, which was improved by researchers of drilling fluid Research Institute of Daqing Drilling Research Institute, was first used successfully, reversing the passive situation caused by environmental restriction at one fell swoop. Since the beginning of this year, researchers to increase the technological difficult block of water-based drilling fluid technology, high performance water-based drilling fluid for the large-scale popularization and application in Longxi block, Zhaoyuan block, block maoxing multiple area. Up to now, the water base drilling fluid has replaced the oil based drilling fluid directly, and it has directly saved the cost of more than 10 million yuan, which has contributed to the reduction of oil field efficiency and environmental protection.
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